Patents by Inventor James Carroll, Sr.

James Carroll, Sr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Uniform cross-section and ribbed thermoplastic compressor valve
    Patent number: 6024126
    Abstract: A uniform cross-section and ribbed thermoplastic compressor valve which can be used as a discharge valve for a compressor and has internal rib structure and uniform wall thickness. The valve member can be made of high-performance polymeric resin such as polyimide. The valve member comprises a base member, an annular wall member, a central member protruding from the base member, and a plurality of internal wall members. The internal wall members provide the internal rib structure which strengthens the valve member and allows for light-weight construction. Preferably, there are six internal wall members and the central member has a cavity.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: February 15, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ed Miller, Joy Sawyer Bloom, Charles Keller, James Carroll, Sr.